An ideal gas at an initial pressure pi=4Pa and temperature Ti=200k expands isobarically to 4 times its original volume. The gas is then further reduced in pressure at constant volume to of pf=1Pa. What is the final temperature of the gas Tf? (Hint: draw the multistep process on pV diagram)

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Maxwell speed distribution

Maxwell-Boltzmann distribution or commonly known as Maxwell speed distribution, explains the division of the energy levels of the molecules of an ideal gas on the basis of the statistical theory. In 1859, Scottish physicist James Clerk Maxwell established the context for the distribution of molecular velocities for random molecules moving in a closed environment. This theory was generalized in 1871 by German physicist Ludwig Boltzmann. He improvised the theory to express the distribution of energy levels among different molecules.